the strobe light
SM-2 Marker Lights
The SM-2 has been disontinued and replaced with the new SM-3 Buoy Marker Light (USCG/MED Approved).
The SM-2 is a high-intensity Xenon strobe which gives 360° visibility for more than 3 miles (4.8 km). This marker light automatically activates and begins strobing when in the water, working for up to 60 hours on a 6-volt lantern battery. Perfect for commercial marine, petrol-marine, cruisers, and any other application needing a reliable Crew Overboard Marker (COB) light, the SM-2 floats upright in all conditions, ensuring it will keep shining when you need it the most.
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